Find the exact value of the following expression without using a calculator.cos 
A. - 
B. 
C. 
D. - 
Answer: C
Mathematics
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Represent the shaded area in the figure group with a mixed number.
A. 1
B. 6
C. 6
D. 1
Mathematics
Decide if the function is linear.y = 2x3 + 8
A. No B. Yes
Mathematics
Find the double integral over the rectangular region R with the given boundaries.
R0 ? x ? 1, 1 ? y ? 2
A. 
B. 
C. 
D. 
Mathematics
Find the derivative of the function.y = x4cos x - 8x sin x - 8 cos x
A. -4x3 sin x - 8 cos x + 8 sin x B. x4 sin x - 4x3 cos x + 8x cos x C. -x4 sin x + 4x3 cos x - 8x cos x - 16 sin x D. -x4 sin x + 4x3 cos x - 8x cos x
Mathematics